package com.tyteam.apps.util;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/** 
 * 获取spring容器，以访问容器中定义的其他bean 
 */  
@Component  
public class SpringContextUtil implements ApplicationContextAware {  
  
    // Spring应用上下文环境  
    @Autowired  
    private ApplicationContext applicationContext;  
  
    /** 
     * 实现ApplicationContextAware接口的回调方法，设置上下文环境 
     *  
     * @param applicationContext 
     */  
    public void setApplicationContext(ApplicationContext applicationContext) {  
        this.applicationContext = applicationContext;  
    }  
  
    /** 
     * @return ApplicationContext 
     */  
    public ApplicationContext getApplicationContext() {  
        return this.applicationContext;  
    }  
  
    /** 
     * 获取对象 这里重写了bean方法，起主要作用 
     *  
     * @param name 
     * @return Object 一个以所给名字注册的bean的实例 
     * @throws BeansException 
     */  
    public Object getBean(String name) throws BeansException {  
        return applicationContext.getBean(name);  
    }  
  
}  
